sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @publishedPartner
sl@0:  @prototype
sl@0: */
sl@0: 
sl@0: #ifndef MMFSUBTITLEGRAPHIC_H
sl@0: #define MMFSUBTITLEGRAPHIC_H
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <w32std.h>
sl@0: 
sl@0: /** 
sl@0:  * Client representation of a window-server-side subtitle drawer
sl@0: */
sl@0: NONSHARABLE_CLASS(CMMFSubtitleGraphic): public CWsGraphic
sl@0:     {
sl@0: public:
sl@0:     IMPORT_C static CMMFSubtitleGraphic* NewL();
sl@0:     IMPORT_C virtual ~CMMFSubtitleGraphic();
sl@0: 	IMPORT_C void Clear();
sl@0: 	IMPORT_C TInt DrawFrame(TInt aFrameHandle, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);
sl@0: 	IMPORT_C TInt Initialize(TInt aBuffer1, TInt aBuffer2);
sl@0: 	IMPORT_C void Initialize();
sl@0: 	IMPORT_C TInt SwapFrame(TUint aExpectedBuffer, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);
sl@0: 
sl@0: private:
sl@0: 	CMMFSubtitleGraphic();
sl@0: 	void ConstructL();
sl@0: 	
sl@0: 	// Utility functions
sl@0: 	TInt CheckBitmapHandle(TInt aHandle);
sl@0: 	
sl@0: 	// From CWsGraphic
sl@0: 	void HandleMessage(const TDesC8 &aData);
sl@0: 	void OnReplace();
sl@0: 
sl@0: private:
sl@0: 	enum TSubtitleGraphicState
sl@0: 		{
sl@0: 		ESubtitleGraphicStateWaiting 		= 1,
sl@0: 		ESubtitleGraphicStateInit			= 2,
sl@0: 		ESubtitleGraphicStateInitSimple		= 3
sl@0: 		};	
sl@0: 		
sl@0: 	TSubtitleGraphicState iState;
sl@0: 		
sl@0: 	// Used to check bitmap handles.  Constructed as part of the object to avoid
sl@0: 	// duplicate allocation.
sl@0: 	CFbsBitmap* iTempBitmap;
sl@0: 	};
sl@0: 
sl@0: #endif